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CLC number: TN959.73
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2016-09-12
Cited: 1
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Effects of residual motion compensation errors on the performance of airborne along-track interferometric SAR
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Hui Zhang, Jun Hong, Xiao-lan Qiu, Ji-chuan Li, Fang-fang Li, Feng Ming. Effects of residual motion compensation errors on the performance of airborne along-track interferometric SAR[J]. Frontiers of Information Technology & Electronic Engineering, 2016, 17(10): 1095-1106.
@article{title="Effects of residual motion compensation errors on the performance of airborne along-track interferometric SAR",
author="Hui Zhang, Jun Hong, Xiao-lan Qiu, Ji-chuan Li, Fang-fang Li, Feng Ming",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="17",
number="10",
pages="1095-1106",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1500311"
}
%0 Journal Article
%T Effects of residual motion compensation errors on the performance of airborne along-track interferometric SAR
%A Hui Zhang
%A Jun Hong
%A Xiao-lan Qiu
%A Ji-chuan Li
%A Fang-fang Li
%A Feng Ming
%J Frontiers of Information Technology & Electronic Engineering
%V 17
%N 10
%P 1095-1106
%@ 2095-9184
%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1500311
TY - JOUR
T1 - Effects of residual motion compensation errors on the performance of airborne along-track interferometric SAR
A1 - Hui Zhang
A1 - Jun Hong
A1 - Xiao-lan Qiu
A1 - Ji-chuan Li
A1 - Fang-fang Li
A1 - Feng Ming
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 17
IS - 10
SP - 1095
EP - 1106
%@ 2095-9184
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1500311
Abstract: Two approximations, center-beam approximation and reference digital elevation model (DEM) approximation, are used in synthetic aperture radar (SAR) motion compensation procedures. They usually introduce residual motion compensation errors for airborne single-antenna SAR imaging and SAR interferometry. In this paper, we investigate the effects of residual uncompensated motion errors, which are caused by the above two approximations, on the performance of airborne along-track interferometric SAR (ATI-SAR). The residual uncompensated errors caused by center-beam approximation in the absence and in the presence of elevation errors are derived, respectively. Airborne simulation parameters are used to verify the correctness of the analysis and to show the impacts of residual uncompensated errors on the interferometric phase errors for ATI-SAR. It is shown that the interferometric phase errors caused by the center-beam approximation with an accurate DEM could be neglected, while the interferometric phase errors caused by the center-beam approximation with an inaccurate DEM cannot be neglected when the elevation errors exceed a threshold. This research provides theoretical bases for the error source analysis and signal processing of airborne ATI-SAR.
The article adresses the correction of ATI-SAR based on DEM.
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